/*
 * Copyright (C) 2005 - 2013 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008 - 2013 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010 - 2013 ProjectSkyfire <http://www.projectskyfire.org/>
 *
 * Copyright (C) 2011 - 2013 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef ARKCORECORE_PET_H
#define ARKCORECORE_PET_H

#include "ObjectDefines.h"
#include "Unit.h"
#include "TemporarySummon.h"

enum PetType
{
    SUMMON_PET = 0, HUNTER_PET = 1, MAX_PET_TYPE = 4,
};

extern char const* petTypeSuffix[MAX_PET_TYPE];

enum HappinessState
{
    UNHAPPY = 1, CONTENT = 2, HAPPY = 3
};

enum PetSpellState
{
    PETSPELL_UNCHANGED = 0, PETSPELL_CHANGED = 1, PETSPELL_NEW = 2, PETSPELL_REMOVED = 3
};

enum PetSpellType
{
    PETSPELL_NORMAL = 0, PETSPELL_FAMILY = 1, PETSPELL_TALENT = 2,
};

struct PetSpell
{
    ActiveStates active;
    PetSpellState state;
    PetSpellType type;
};

enum ActionFeedback
{
    FEEDBACK_NONE = 0, FEEDBACK_PET_DEAD = 1, FEEDBACK_NOTHING_TO_ATT = 2, FEEDBACK_CANT_ATT_TARGET = 3
};

enum PetTalk
{
    PET_TALK_SPECIAL_SPELL = 0, PET_TALK_ATTACK = 1
};

enum PetNameInvalidReason
{
    // custom, not send
    PET_NAME_SUCCESS = 0,

    PET_NAME_INVALID = 1, PET_NAME_NO_NAME = 2, PET_NAME_TOO_SHORT = 3, PET_NAME_TOO_LONG = 4, PET_NAME_MIXED_LANGUAGES = 6, PET_NAME_PROFANE = 7, PET_NAME_RESERVED = 8, PET_NAME_THREE_CONSECUTIVE = 11, PET_NAME_INVALID_SPACE = 12, PET_NAME_CONSECUTIVE_SPACES = 13, PET_NAME_RUSSIAN_CONSECUTIVE_SILENT_CHARACTERS = 14, PET_NAME_RUSSIAN_SILENT_CHARACTER_AT_BEGINNING_OR_END = 15, PET_NAME_DECLENSION_DOESNT_MATCH_BASE_NAME = 16
};

typedef UNORDERED_MAP<uint32, PetSpell> PetSpellMap;
typedef std::vector<uint32> AutoSpellList;

#define HAPPINESS_LEVEL_SIZE        333000

#define ACTIVE_SPELLS_MAX           4

#define PET_FOLLOW_DIST  1.0f
#define PET_FOLLOW_ANGLE (M_PI/2)
#define PET_FOCUS_REGEN_INTERVAL 4 * IN_MILLISECONDS

class Player;

class Pet: public Guardian
{
public:
    explicit Pet (Player *owner, PetType type = MAX_PET_TYPE);
    virtual ~Pet ();

    void AddToWorld ();
    void RemoveFromWorld ();

    PetType getPetType () const
    {
        return m_petType;
    }
    void setPetType (PetType type)
    {
        m_petType = type;
    }
    bool isControlled () const
    {
        return getPetType() == SUMMON_PET || getPetType() == HUNTER_PET;
    }
    bool isTemporarySummoned () const
    {
        return m_duration > 0;
    }

    bool IsPermanentPetFor (Player* owner);          // pet have tab in character windows and set UNIT_FIELD_PETNUMBER

    bool Create (uint32 guidlow, Map *map, uint32 phaseMask, uint32 Entry, uint32 pet_number);
    bool CreateBaseAtCreature (Creature* creature);
    bool CreateBaseAtCreatureInfo (CreatureInfo const* cinfo, Unit * owner);
    bool CreateBaseAtTamed (CreatureInfo const * cinfo, Map * map, uint32 phaseMask);
    bool LoadPetFromDB (Player* owner, uint32 petentry = 0, uint32 petnumber = 0, bool current = false, PetSlot slotID = PET_SLOT_UNK_SLOT);
    bool isBeingLoaded () const
    {
        return m_loading;
    }
    void SavePetToDB (PetSlot mode);
    void Remove (PetSlot mode, bool returnreagent = false);
    static void DeleteFromDB (uint32 guidlow);

    void setDeathState (DeathState s);          // overwrite virtual Creature::setDeathState and Unit::setDeathState
    void Update (uint32 diff);          // overwrite virtual Creature::Update and Unit::Update

    uint8 GetPetAutoSpellSize () const
    {
        return m_autospells.size();
    }
    uint32 GetPetAutoSpellOnPos (uint8 pos) const
    {
        if (pos >= m_autospells.size())
            return 0;
        else
            return m_autospells[pos];
    }

    void LooseHappiness ();
    HappinessState GetHappinessState ();
    void GivePetXP (uint32 xp);
    void GivePetLevel (uint8 level);
    void SynchronizeLevelWithOwner ();
    bool HaveInDiet (ItemPrototype const* item) const;
    uint32 GetCurrentFoodBenefitLevel (uint32 itemlevel);
    void SetDuration (int32 dur)
    {
        m_duration = dur;
    }

    /*
     bool UpdateStats(Stats stat);
     bool UpdateAllStats();
     void UpdateResistances(uint32 school);
     void UpdateArmor();
     void UpdateMaxHealth();
     void UpdateMaxPower(Powers power);
     void UpdateAttackPowerAndDamage(bool ranged = false);
     void UpdateDamagePhysical(WeaponAttackType attType);
     */

    bool CanTakeMoreActiveSpells (uint32 SpellIconID);
    void ToggleAutocast (uint32 spellid, bool apply);

    bool HasSpell (uint32 spell) const;

    void LearnPetPassives ();
    void CastPetAuras (bool current);
    void CastPetAura (PetAura const* aura);
    bool IsPetAura (Aura const* aura);

    void _LoadSpellCooldowns ();
    void _SaveSpellCooldowns (SQLTransaction& trans);
    void _LoadAuras (uint32 timediff);
    void _SaveAuras (SQLTransaction& trans);
    void _LoadSpells ();
    void _SaveSpells (SQLTransaction& trans);

    bool addSpell (uint32 spell_id, ActiveStates active = ACT_DECIDE, PetSpellState state = PETSPELL_NEW, PetSpellType type = PETSPELL_NORMAL);
    bool learnSpell (uint32 spell_id);
    void learnSpellHighRank (uint32 spellid);
    void InitLevelupSpellsForLevel ();
    bool unlearnSpell (uint32 spell_id, bool learn_prev, bool clear_ab = true);
    bool removeSpell (uint32 spell_id, bool learn_prev, bool clear_ab = true);
    void CleanupActionBar ();

    PetSpellMap m_spells;
    AutoSpellList m_autospells;

    void InitPetCreateSpells ();

    bool resetTalents (bool no_cost = false);
    static void resetTalentsForAllPetsOf (Player* owner, Pet* online_pet = NULL);
    uint32 resetTalentsCost () const;
    void InitTalentForLevel ();

    uint8 GetMaxTalentPointsForLevel (uint8 level);
    uint8 GetFreeTalentPoints ()
    {
        return GetByteValue(UNIT_FIELD_BYTES_1, 1);
    }
    void SetFreeTalentPoints (uint8 points)
    {
        SetByteValue(UNIT_FIELD_BYTES_1, 1, points);
    }

    uint32 m_resetTalentsCost;
    time_t m_resetTalentsTime;
    uint32 m_usedTalentCount;

    const uint64& GetAuraUpdateMaskForRaid () const
    {
        return m_auraRaidUpdateMask;
    }
    void SetAuraUpdateMaskForRaid (uint8 slot)
    {
        m_auraRaidUpdateMask |= (uint64(1) << slot);
    }
    void ResetAuraUpdateMaskForRaid ()
    {
        m_auraRaidUpdateMask = 0;
    }

    DeclinedName const* GetDeclinedNames () const
    {
        return m_declinedname;
    }

    bool m_removed;          // prevent overwrite pet state in DB at next Pet::Update if pet already removed(saved)

    Player *GetOwner ()
    {
        return m_owner;
    }

    PetTalentType GetTalentType ();
protected:
    Player *m_owner;
    uint32 m_happinessTimer;
    PetType m_petType;
    int32 m_duration;          // time until unsummon (used mostly for summoned guardians and not used for controlled pets)
    uint64 m_auraRaidUpdateMask;
    bool m_loading;
    uint32 m_regenTimer;

    DeclinedName *m_declinedname;

private:
    void SaveToDB (uint32, uint8)          // overwrited of Creature::SaveToDB     - don't must be called
    {
        ASSERT(false);
    }
    void DeleteFromDB ()          // overwrited of Creature::DeleteFromDB - don't must be called
    {
        ASSERT(false);
    }
};
#endif
